Exemplo n.º 1
0
    def delete_async(self):
        LOG.debug("prepare delete instance %s" % self.id)
        deleted_at = utils.utcnow()
        # Delete guest queue.
        _item = InstanceGroupItem.get_by_instance_id(self.context,self.id)
        group_id = _item.group_id

        if _item.type == DBInstanceType.MASTER:
            standby = None
            try:
                standby = InstanceGroupItem.get_by_gid_type(self.context, group_id,DBInstanceType.STANDBY)
            except exception.ModelNotFoundError:
                pass
            if standby is not None:

                standby.delete()
                standby_inst_id = standby.instance_id
                standby_tasks = self.load(self.context,standby_inst_id)
                standby_tasks.update_db(deleted=True, deleted_at=deleted_at,
                                        task_status=InstanceTasks.NONE)
                standby_tasks.set_servicestatus_deleted()
                standby_tasks._delete_instance_config()

        item_list = InstanceGroupItem.list_by_gid(self.context,group_id)
        if len(item_list)==1:
            # Delete associated security group
            if CONF.trove_security_groups_support:
                try:
                    SecurityGroup.delete_for_group(self.group_id,
                                                   self.context)
                except Exception as e:
                    LOG.error(utils.get_traceback_stack())

            LOG.info("send notify to monitor when delete instance %s" % self.id)
            group_rpcapi.API(self.context).group_update(group_id,notify_when_delete=True)

            LOG.info("Delete group %s" % group_id)
            InstanceGroup.delete(self.context,group_id)

        if _item.type in [DBInstanceType.MASTER,DBInstanceType.SINGLE]:
            try:
                LOG.info("Delete autobackup_setting of group_id %s" % group_id)
                AutoBackup.delete(self.context,group_id)
            except:
                LOG.error(utils.get_traceback_stack())


        _item.delete()
        self.update_db(deleted=True, deleted_at=deleted_at,
                       task_status=InstanceTasks.NONE)
        self.set_servicestatus_deleted()
Exemplo n.º 2
0
    def _delete_resources(self, fake):
        group_item = InstanceGroupItem.get_by_instance_id(self.context, self.id)
        group_id = group_item.group_id
        inst_type = group_item.type
        instance_id = self.db_info.id

        if self.server and self.db_info.server_status == "ACTIVE":
            # set instance to read only model
            LOG.info("Set readonly for instance %s" % self.id)
            self._set_instance_readonly(instance_id=self.id)
        else:
            LOG.info("vm_status is not ACTIVE for %s" % self.id)

        if inst_type == DBInstanceType.MASTER:
            rrinsts = []
            try:
                standby = InstanceGroupItem.get_by_gid_type(self.context, group_id, DBInstanceType.STANDBY)
                rrinsts = InstanceGroupItem.get_by_gid_type(self.context, group_id, DBInstanceType.READ_REPLI)
                standby_inst_id = standby.instance_id
                LOG.info("MASTER %s,it hava STANDBY %s,RRS %s",
                         (self.id, standby_inst_id, [_inst.instance_id for _inst in rrinsts]))
                InstanceGroupItem.delete(self.context, standby_inst_id)
            except Exception as e:
                LOG.error(utils.get_traceback_stack())

            # waite replication group db sysnc
            if len(rrinsts) > 0:
                self.guest.ksc_set_read_only(True)

            for _inst in rrinsts:
                try:
                    rr_instance = self.load(self.context, _inst.instance_id)
                    rr_instance.waite_rpl_synchronize(time_out=CONF.delete_waite_rplg_sync)
                except Exception as e:
                    LOG.error(utils.get_traceback_stack())

            # delete standby instance
            try:
                try:
                    standby_instance = self.load(self.context, standby_inst_id)
                except exception.UnprocessableEntity:
                    standby_instance = FreshInstanceTasks.load(self.context, standby_inst_id)
                standby_instance.update_db(deleted=True, deleted_at=utils.utcnow(), task_status=InstanceTasks.NONE)
                standby_instance.set_servicestatus_deleted()
                standby_instance._delete_instance_config()

                if standby_instance.server:
                    LOG.info("Delete STANDBY compute server %s" % standby_instance.server.id)
                    standby_instance.get_guest().delete_queue()
                    standby_instance.server.delete()

                    poll_until(standby_instance.server_is_finished, sleep_time=1, time_out=CONF.server_delete_time_out)
                else:
                    LOG.info("standby instance vm_status is not ACTIVE for %s" % standby_inst_id)
            except Exception as e:
                LOG.error(utils.get_traceback_stack())

            if fake is True and self.type == DBInstanceType.MASTER:
                try:
                    LOG.debug("fake is True, %s is MASTER, stop mysqld", self.id)
                    self.guest.ksc_stop_db(do_not_start_on_reboot=True)
                except Exception as e:
                    msg = "fake_delete, instance: %s, stop mysqld error, exception: %s " % (self.id, str(e))
                    LOG.error("%s, %s", msg, utils.get_traceback_stack())
                    AlarmRpc(self.context).alarm(self.tenant_id, level=AlarmRpc.LEVEL_ERROR,
                                                 _type=AlarmRpc.TYPE_TASKMANAGER, message=msg)

        if self.server:
            if fake is True and self.type == DBInstanceType.MASTER:
                LOG.debug("fake is True, %s is MASTER, skip delete server", self.id)
            else:
                try:
                    LOG.info("Delete compute server %s" % self.server.id)
                    guest = self.get_guest()
                    guest.delete_queue()
                    self.server.delete()
                    poll_until(self.server_is_finished, sleep_time=1, time_out=CONF.server_delete_time_out)
                except Exception as e:
                    LOG.error(utils.get_traceback_stack())

        # delete group_item/autobackup_setting/group
        if self.type in [DBInstanceType.MASTER, DBInstanceType.SINGLE]:
            try:
                LOG.info("Delete autobackup_setting of group_id %s" % group_id)
                AutoBackup.delete(self.context, group_id)
            except:
                LOG.error(utils.get_traceback_stack())

        # remove vip.
        if CONF.trove_vip_support and \
                        self.type in [DBInstanceType.MASTER, DBInstanceType.SINGLE, DBInstanceType.READ_REPLI]:
            if fake is True and self.type == DBInstanceType.MASTER:
                LOG.debug("fake is True, %s is MASTER, skip release vip", self.id)
            else:
                try:
                    self.update_db(task_status=InstanceTasks.RELEASE_VIP)
                    LOG.info("release vip for instance %s" % instance_id)
                    if inst_type in [DBInstanceType.MASTER, DBInstanceType.SINGLE]:
                        cur_vip = vipService.InstanceVip.get_by_instance_id(self.context, instance_id)
                        vipService.InstanceVip.release_vip(self.context, cur_vip)
                    elif inst_type in [DBInstanceType.READ_REPLI]:
                        vipService.InstanceVip.deallocate(self.context, instance_id, deleted=False, purge=True)
                except Exception as e:
                    LOG.error(utils.get_traceback_stack())